USN-4690-1: coTURN vulnerability

11 January 2021

coTURN could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • coturn - TURN and STUN server for VoIP

Details

It was discovered that coTURN allowed peers to connect and relay packets to
loopback addresses in the range of 127.x.x.x. A malicious user could use this
vulnerability to insert packages into the loopback interface.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading